6H-Dibenzo[b,d]pyran-6-one, 2-chloro-7,8,9,10-tetrahydro-3-hydroxy-
2-Chloro-7,8,9,10-tetrahydro-3-hydroxy-6H-dibenzo[b,d]pyran-6-one
2-Chloro-3-hydroxy-7,8,9,10-tetrahydrobenzo[c]chromen-6-one
2-Chloro-3-hydroxy-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one
2-Chloro-3-hydroxy-6H,7H,8H,9H,10H-cyclohexa[c]chromen-6-one